Table 5.
CR values of coronary segments in NCMRA
| CR value | × 2 | P | CS4 Versus SENSE | CS5 Versus SENSE | CS6 Versus SENSE | CS4 Versus CS5 | CS4 Versus CS6 | CS5 Versus CS6 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SENSE | CS4 | CS5 | CS6 | Z | P | Z | P | Z | P | Z | P | Z | P | Z | P | |||||
| RCA pro | 0.0348[0.0232–0.0448] | 0.0431[0.0237–0.0634] | 0.0400[0.0259–0.0536] | 0.0291[0.0189–0.0474] | 13.588 | 0.004* | 2.451 | 0.014* | 1.194 | 0.232 | 1.257 | 0.209 | 1.493 | 0.136 | 3.374 | 0.001* | 2.522 | 0.012* | ||
| RCA mid | 0.0294[0.0197–0.0402] | 0.0380[0.0284–0.0643] | 0.0388[0.0285–0.0495] | 0.0304[0.0191–0.0404] | 12.437 | 0.006* | 3.018 | 0.003* | 1.154 | 0.248 | 1.065 | 0.287 | 1.778 | 0.075 | 3.12 | 0.002* | 2.461 | 0.014* | ||
| RCA dis | 0.0268[0.0215–0.0319] | 0.0269[0.0193–0.0354] | 0.0258[0.0175–0.0298] | 0.0179[0.0133–0.0267] | 19.149 | < 0.001* | 0.344 | 0.731 | 1.097 | 0.272 | 3.407 | 0.001 | 1.462 | 0.144 | 3.922 | < 0.001* | 2.783 | 0.005* | ||
| LM | 0.0518[0.0295–0.0678] | 0.0498[0.0339–0.0694] | 0.0431[0.0324–0.0555] | 0.0348[0.0275–0.0493] | 15.353 | 0.002* | 0.628 | 0.53 | 1.084 | 0.278 | 2.121 | 0.034* | 2.529 | 0.011* | 3.362 | 0.001* | 1.438 | 0.15 | ||
| LAD pro | 0.0397[0.0275–0.0528] | 0.0378[0.0239–0.0522] | 0.0317[0.0227–0.0435] | 0.0308[0.0193–0.0376] | 22.875 | < 0.001* | 1.159 | 0.246 | 2.248 | 0.025* | 3.479 | 0.001* | 1.744 | 0.081 | 3.253 | 0.001* | 2.058 | 0.040* | ||
| LAD mid | 0.0312[0.0210–0.0372] | 0.0256[0.0206–0.0328] | 0.0233[0.0170–0.0367] | 0.0207[0.0178–0.0326] | 17.803 | < 0.001* | 3.19 | 0.001* | 2.099 | 0.036* | 2.932 | 0.003* | 0.934 | 0.35 | 2.13 | 0.033* | 1.823 | 0.068 | ||
| LCX pro | 0.0306[0.0239–0.0405] | 0.0409[0.0233–0.0582] | 0.035[0.0259–0.0477] | 0.0341[0.0216–0.0367] | 6.279 | 0.099 | 1.735 | 0.083 | 0.896 | 0.371 | 0.943 | 0.346 | 0.408 | 0.683 | 1.807 | 0.071 | 2.679 | 0.007* | ||
| LCX dis | 0.0367 [0.0233–0.0486] | 0.0352[0.0236–0.0591] | 0.0295[0.0233–0.0498] | 0.0289[0.0202–0.0503] | 2.65 | 0.449 | 1.481 | 0.138 | 0.848 | 0.396 | 0.801 | 0.423 | 1.147 | 0.251 | 1.178 | 0.239 | 1.308 | 0.191 | ||
| All | 0.0336[0.0236–0.0474] | 0.0354[0.0233–0.0536] | 0.0325[0.0222–0.0476] | 0.0292[0.0191–0.0399] | 78.58 | < 0.001* | 2.255 | 0.024* | 1.453 | 0.146 | 5.467 | < 0.001* | 3.901 | < 0.001* | 7.462 | < 0.001* | 6.055 | < 0.001* | ||
Metric data are reported as median and interquartile range
RCA right coronary artery; LAD left anterior descending artery; LCX left circumflex artery; pro proximal; mid middle; dis distal
*The difference was statistically significant (p < 0.05)